* Commemorates the day explorer Christopher Columbus first landed in the West Indies on October 12, 1492. It is celebrated on October 12 in many American countries, but the United States and Colombia celebrate it on the 2nd Monday of October.**paid holiday in Samoa, United States of America, Alabama, Arizona, Colorado, Connecticut, District of Columbia, Georgia, Idaho, Illinois, Indiana, Maine, Maryland, Massachusetts, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Rhode Island, Utah, Virginia, Wisconsin, Wyoming